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Ships within 48 hours · Estimated delivery Sep 6 - Sep 11
The Biggest of the Big Bores
Engine size: 2365 with 71mm Crank
New Cast Crankshaft
harden keepers
501 Series Performance Head W/ seats and guides 42 Intake 37.5 Exhaust WaterBoxer The Biggest of the BigMade from an AA 501 Series Casting, It is set up to build the performance Head of your needs. It Comes with Seats 42x37. 5, Guides,with a 12mm plug hole. The 501 Series Castings come STD with: Increasedmaterialat the intakesurfacegivingyou theabilityto make much bigger ports. Amodernized Combustionchamber, for increased head flow & performance. AsecondFull Fin, soyoucanFlycutyourheads deeper to achieve almost any desired Head CC volume needed. Blocked
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